Someone who actually knows what they doing please ‍♀️

-2/5

Step-by-step explanation:

Expand parentheses:

Hope this helps!

Step-by-step explanation:

2(4a+1)=3a

8a+2=3a

Subtract 8a from both sides

2= -5a

-5a=2

Divide both sides by 5

-a=

Multiply both sides by -1

see explanation

step-by-step explanation:

since the sequence is geometric there is a common ratio r between consecutive terms, that is

r = 4 ÷ - 2 = - 2

r = - 8 ÷ 4 = - 2

r = 16 ÷ 8 = - 2

the next term - 13 must be incorrect as it should be - 32 for the sequence to be geometric.

the first 4 terms are therefore geometric with common ratio r = - 2

the answer is 13/48

step-by-step explanation: